用介词on，例如：
1、He wrote his name down on a piece of paper for me.他把他的名字写在一张纸上交给我。
2、He ticked off my name on a piece of paper.他在一张纸上我的名字旁打了钩。
3、The other day， I put down his number on a piece of paper， which I can't find now.前几天，我把他的号码写在一张纸上，但现在找不到了。
用介词on，例如：
1、He wrote his name down on a piece of paper for me.他把他的名字写在一张纸上交给我。
2、He ticked off my name on a piece of paper.他在一张纸上我的名字旁打了钩。
3、The other day， I put down his number on a piece of paper， which I can't find now.前几天，我把他的号码写在一张纸上，但现在找不到了。
